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OverLord2011 [107]

3 years ago

13

Darnell went to the movies with his freinds.the movie started at 2:35 p.m and lasted 1 hour 45 minutes.what time did the movie e

nd?

1 answer:

mixas84 [53]3 years ago

7 0

The movie ended at 4:20 p.m

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TEA [102]

Is this algebra 1 or 2....

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2 years ago

arlik [135]

Given:

In a right angle triangle θ is an acute angle and $\tan\theta =\dfrac{3}{5}$ .

To find:

The value of $\cos \theta$ .

Solution:

In a right angle triangle,

$\tan \theta=\dfrac{Perpendicular}{Base}$

We have,

$\tan\theta =\dfrac{3}{5}$

It means the ratio of perpendicular to base is 3:5. Let 3x be the perpendicular and 5x be the base.

By using Pythagoras theorem,

$Hypotenuse=\sqrt{Perpendicular^2+base^2}$

$Hypotenuse=\sqrt{(3x)^2+(5x)^2}$

$Hypotenuse=\sqrt{9x^2+25x^2}$

$Hypotenuse=\sqrt{34x^2}$

$Hypotenuse=x\sqrt{34}$

In a right angle triangle,

$\cos \theta=\dfrac{Base}{Hypotenuse}$

$\cos \theta=\dfrac{5x}{x\sqrt{34}}$

$\cos \theta=\dfrac{5}{\sqrt{34}}$

Therefore, the value of $\cos \theta$ is $\dfrac{5}{\sqrt{34}}$ .

8 0

2 years ago

How many terms are in the binomial expansion of (3x 5)9? 8 9 10 11

swat32

Answer:

10

Step-by-step explanation:

5 0

1 year ago

a truck is rented at 40$ per day plus a charge per mile use. The truck traveled 15 miles in one day, and the total charge was 11

Alla [95]

Answer:

15x + 40 = 115

We set the equation to 115 because the total cost is $115.

We add the "+ 40" because of the $40 to rent the trailer for the day.

The 15x is because it represents the miles per hour (x) times the number of hours.

The number of hours times the charge per mile, plus the $40 to rent it, will equal $115.

Hope this helps!!

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3 years ago

You draw 2 cards from a standard 52 card deck without replacing them. what is the probability that both cards are of the same su

Dmitry [639]

As a fraction it would be 13/52
As a percent it would be 25%

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2 years ago